X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fdatamodel%2FAnnotation.java;h=f6919cd36058cbfdacf9503e3aee84ac2bf516de;hb=HEAD;hp=fc8688caba6f670dce379436eb0fb867b40386d3;hpb=fc9096e49533361ffb654d08d65ee21129eb3875;p=jalview.git

diff --git a/src/jalview/datamodel/Annotation.java b/src/jalview/datamodel/Annotation.java
index fc8688c..f6919cd 100755
--- a/src/jalview/datamodel/Annotation.java
+++ b/src/jalview/datamodel/Annotation.java
@@ -51,7 +51,9 @@ public class Annotation
    */
   public char secondaryStructure = ' ';
 
-  /** Score for the position - used in histograms, line graphs and for shading */
+  /**
+   * Score for the position - used in histograms, line graphs and for shading
+   */
   public float value;
 
   /** Colour for position */
@@ -198,4 +200,21 @@ public class Annotation
     }
     return sb.toString();
   }
+
+  /**
+   * @return true if annot is 'whitespace' annotation (zero score, whitespace or
+   *         zero length display character, label, description
+   */
+  public boolean isWhitespace()
+  {
+    return ((value == 0f)
+            && ((description == null) || (description.trim().length() == 0))
+            && ((displayCharacter == null)
+                    || (displayCharacter.trim().length() == 0)
+                    || (displayCharacter.equals(" ."))) // RNA Stockholm blank
+                                                        // displayCharacter can
+                                                        // end up like this
+            && (secondaryStructure == '\0' || (secondaryStructure == ' '))
+            && colour == null);
+  }
 }